Hylomorphism

Hylomorphism is a philosophical theory developed by Aristotle that held that all corporeal substances consist of matter (potentiality; indeterminate, and capable of being determined) and form (the active principal of determination). In accordance with the hylomorphic theory, the soul is the substantial form of a living, corporeal being. The Middle Ages Neoplatonic philosophy of "universal hylomorphism" makes both the body and soul hylomorphic, with both the body and soul consisting of matter and form.